Principal Engineer- Billing Systems Design
About the role
At T-Mobile, this Principal Engineer will lead, design, build, and deploy scalable software solutions that meet customer needs and support highly available systems. They collaborate with other engineers to develop modern software components using technologies and concepts like system design, virtualization, software-defined networking, network functions virtualization, and big data. In this role, Principal Engineers use independent judgment to solve complex technical problems and guide software design decisions. Success is defined by delivering reliable, well-integrated solutions that align with both business goals and technical requirements. This work plays a key role in advancing T-Mobile’s capabilities by enabling efficient, high-performing systems that enhance both operations and customer experience. We pride ourselves on encouraging a culture of innovation, advocating for agile methodologies, and promoting transparency in all that we do.
Responsibilities
- Lead the design and validation of network systems to maximize reliability, performance, and cost efficiency
- Develop and maintain technical documentation and presentations to communicate design benefits to diverse audiences
- Drive engineering projects by applying techniques, conducting tests, and supervising engineering teams to meet objectives
- Analyze and implement technology improvements to optimize network processes and support business requirements
- Monitor industry technologies and standards to inform design decisions and influence organizational technology strategies
- Evaluate new and existing technologies to align with business goals and support network evolution
- Other duties/projects as assigned by business management
Requirements
- Bachelor's Degree plus 7 years of related work experience OR Advanced degree with 5 years of related experience (Required)
- Acceptable areas of study include Engineering/Computer Science (Required)
- 7-10 years Technical engineering experience (Required)
- Telecom Billing Domain experience (Preferred)
- Hands-on development experience with C and C++ (Required)
- Legally authorized to work in the United States
- At least 18 years of age
Skills
- Analytical Thinking
- Capacity Planning
- Communication
- Feasibility Studies
- Mentorship
- Network Architecture
- Network Design
- Systems Engineering
- Technical Writing
- Technology Roadmap
Benefits
At T-Mobile, our benefits exemplify the spirit of One Team, Together! Full and part-time employees have access to the same benefits when eligible. We cover all of the bases, offering:
- Medical, dental, and vision insurance
- Flexible spending account
- 401(k) with company match
- Annual stock grant and employee stock purchase plan
- Paid time off and up to 12 paid holidays (about 4 weeks for new full-time employees and 2.5 weeks for new part-time employees annually)
- Paid parental and family leave
- Family building benefits
- Back-up care and enhanced family support
- Childcare subsidy
- Tuition assistance and college coaching
- Short- and long-term disability
- Voluntary AD&D, accident, life, disability, and long-term care insurance
- Mobile service & home internet discounts
- Pet insurance
- Commuter and transit programs
- Free, year-round access to money coaches
Pay
Base pay range: $118,200 - $213,200. The successful candidate’s actual pay will be based on work location, qualifications, and experience. Most Corporate employees are eligible for a year-end bonus based on company and/or individual performance, set at a percentage of the employee’s eligible earnings in the prior year. Certain positions in Customer Care are eligible for monthly bonuses based on individual and/or team performance. Corporate bonus target: 20%.
Schedule
Travel is required for this role.